Air compressor



FIG. 1 is a perspective view of the air compressor showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof, the bottom plan view is a mirror image; and,

FIG. 5 is an end elevational view thereof, the opposite end elevational view being a mirror image. 

The ornamental design of an air compressor, as shown and described. 